Product Review
21" X 11" trays without drain holes. 10 Pack. They are sturdy, black and reusable growing trays perfect for growing microgreens hydroponically and in soil. These 21" X 11" trays do not have drain holes and are for use in growing microgreens both hydroponically and in soil. Our preferred method of growing microgreens calls for trays with no drain holes. They are durable and re-usable indefinitely.